Program guide display screen



FIG. 1 is a front view of a program guide display screen according to an embodiment of the invention; and,

FIG. 2 is a front view of a program guide display screen according to another embodiment of the invention.

The broken lines in FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a program guide display screen, as shown and described. 